: Look for any available documentation online or in databases that might provide an overview of the device or circuit.
The board is often identified by its CQC certification number and may carry additional part numbers like LK-PI460102A or 465R1013 . Component Feature Description Application Haier, Proscan, and various LCD/LED TV models Circuit Type zd-95-g-f schematic
If you cannot find the exact part, refer to your reconstructed schematic. Look for a pin-compatible replacement among: : Look for any available documentation online or
AC Input (90-265V) → Bridge Rectifier → Bulk Capacitor (400V) │ ├─── Resistor (Startup) → Pin 5 (VCC) │ ├─── Inductor/LED+ ──┐ │ │ Pin 6 (DRAIN) ←──┘ │ │ │ Pin 4 (CS) ──Resistor─→ GND │ Pin 1 (FB) ← Resistor Divider ← LED+ Pin 2 (GND) Pin 3 (NC or Capacitor to GND) Look for a pin-compatible replacement among: AC Input
For a more advanced diagnosis, the board must be powered up.
: The purpose of such a document can vary widely. It might be used for: